<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<!--action设置提交地址-->
<form action="http://baidu.com">
    用户名<input type="text" name="username" placeholder="请输入用户名"
    maxlength="5" value="abc" readonly><br>

    密码 <input type="password" name="password"><br>

    性别<input type="radio" name="gender" value="m" id="r1">
    <label for="r1">男</label>
    <input type="radio" name="gender" checked value="w" id="r2">
    <label for="r2">女</label><br>

    兴趣爱好:<input type="checkbox" name="hobby" checked value="cy">抽烟
    <input type="checkbox" name="hobby" value="hj">喝酒
    <input type="checkbox" name="hobby" value="tt">烫头<br>

    生日<input type="date" name="birthday"><br>
    靓照<input type="file" name="pic"><br>

    所在地:
    <select name="city">
        <option value="bj">北京</option>
        <option value="sh" selected>上海</option>
        <option value="sz">深圳</option>
    </select><br>

    <input type="reset" value="重置"><br>
    <input type="submit" value="注册"><br>
    <input type="button" value="按钮">
</form>

</body>
</html>